Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  The star Alderamin (αCep)
Flying Bat Nebula, Sergio Díaz
Flying Bat Nebula, Sergio Díaz

Flying Bat Nebula

Flying Bat Nebula, Sergio Díaz
Flying Bat Nebula, Sergio Díaz

Flying Bat Nebula

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Description

At the southwest of Alderamin (top left), in Cepheus, lies this faint (fainter than I though, at least) HII nebula, catalogued as Sh2-129 . Also interesting are the few black patches that surround the nebula, especially LDN1082, for a longer focal length.

To me, the most prominent feature are eyes of the bat, the two stars that look similar in magnitude but have strikingly different colors. The bluish one is indeed embedded in the Squid Nebula (Ou4), that is not visible in this image, needing very deep exposures with [O III] filters to show up.

So maybe I guess this is again the same old 'work in progress/needs more data' story. Yeah, you know exactly what I'm talking about, don't you?

200mm, f/4

L: 26x 300s

R: 10x 300s

G: 10x 300s

B: 10x 300s

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    Flying Bat Nebula, Sergio Díaz
    Original
  • Flying Bat Nebula, Sergio Díaz
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B

Description: Annotated version (PixInsight)

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Flying Bat Nebula, Sergio Díaz